Abstract
Open bite malocclusion, due to it’s multifactorial etiology, has always been considered a difficult problem to treat. Often associated with transverse maxillary deficiency, this is a real challenge in the field of orthodontics. The traditional approach, for this type of anomaly, in adult patients, is orthognathic surgery and RME (rapid maxillary expansion). There are several approaches to the treatment of adult patients using digital technology. Mini-implant supported palatal expander limits the side effects of the conventional RME and is less invasive compared to orthognathic surgery. Precise and predictable mini-implant insertion, using a customized surgical guide, provides a safe therapeutic approach. This case report combines Cone-beam computed tomography (CBCT), laser scan superimposition, computer-aided design (CAD) and 3D printing in order to design and print a customized surgical guide for orthodontic mini-implant insertion. A CBCT scan was performed to determine the optimal site for mini-implants’ placement. Using the 3Shape Trios Intraoral Scanner the maxilla and the mandible were laser-scanned. Blue Sky Plan 4 software was used to design the surgical guide, and RayWare software was used for printing it. 4 mini-implants were inserted using a safe and predictable technique. The 3D technology represents the future of orthodontics, reducing the risks, chair-side time while providing the best treatment plan for the patient.
Highlights
Introduction maxillary expanderOpen bite is an anomaly with distinct characteristics that can be recognized in 25 to 38 % of the orthodontic patients [1]
The placement of orthodontic mini-implants with a 3D method based on cone beam computer tomography (CBCT) imaging has been described in recent years. [21,22]
This study presents the 3D planning for a surgical guide in order to place a mini-implant supported
Summary
Introduction maxillary expanderOpen bite is an anomaly with distinct characteristics that can be recognized in 25 to 38 % of the orthodontic patients [1]. In order to minimize the side effects of classical RME and to optimize the potential for skeletal expansion in adult patients Lee et al proposed a mini-screw assisted rapid palatal expansion (MARPE) appliance. The placement of orthodontic mini-implants with a 3D method based on CBCT imaging has been described in recent years. This study presents the 3D planning for a surgical guide in order to place a mini-implant supported
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